diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1440-drm-amdkfd-Clean-up-the-data-structure-in-kfd_proces.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1440-drm-amdkfd-Clean-up-the-data-structure-in-kfd_proces.patch | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1440-drm-amdkfd-Clean-up-the-data-structure-in-kfd_proces.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1440-drm-amdkfd-Clean-up-the-data-structure-in-kfd_proces.patch new file mode 100644 index 00000000..3ea9d07e --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1440-drm-amdkfd-Clean-up-the-data-structure-in-kfd_proces.patch @@ -0,0 +1,94 @@ +From 2c50e95b9a65b7f78d8801e45588fb88ddfec0d8 Mon Sep 17 00:00:00 2001 +From: Yong Zhao <yong.zhao@amd.com> +Date: Thu, 26 May 2016 22:31:56 -0400 +Subject: [PATCH 1440/4131] drm/amdkfd: Clean up the data structure in + kfd_process + +A list of per-process queues is maintained in the +kfd_process_queue_manager, so the queues array in kfd_process is +redundant and in fact unused. + +Change-Id: Ibbc5f6ea757628f2629baba7216c2719a9fe956f +Signed-off-by: Yong Zhao <yong.zhao@amd.com> +--- + drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 6 ------ + drivers/gpu/drm/amd/amdkfd/kfd_process.c | 18 ------------------ + 2 files changed, 24 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +index 49da7ef..1715c74 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +@@ -615,12 +615,6 @@ struct kfd_process { + + struct process_queue_manager pqm; + +- /* The process's queues. */ +- size_t queue_array_size; +- +- /* Size is queue_array_size, up to MAX_PROCESS_QUEUES. */ +- struct kfd_queue **queues; +- + unsigned long allocated_queue_bitmap[DIV_ROUND_UP(KFD_MAX_NUM_OF_QUEUES_PER_PROCESS, BITS_PER_LONG)]; + + /*Is the user space process 32 bit?*/ +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c +index 39332e6..aaa433e 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c +@@ -38,13 +38,6 @@ struct mm_struct; + #include "kfd_priv.h" + #include "kfd_dbgmgr.h" + +-/* +- * Initial size for the array of queues. +- * The allocated size is doubled each time +- * it is exceeded up to MAX_PROCESS_QUEUES. +- */ +-#define INITIAL_QUEUE_ARRAY_SIZE 16 +- + static int evict_pdd(struct kfd_process_device *pdd); + /* + * List of struct kfd_process (field kfd_process). +@@ -363,8 +356,6 @@ static void kfd_process_wq_release(struct work_struct *work) + + kfd_pasid_free(p->pasid); + +- kfree(p->queues); +- + kfree(p); + + kfree((void *)work); +@@ -569,11 +560,6 @@ static struct kfd_process *create_process(const struct task_struct *thread) + + process->bo_interval_tree = RB_ROOT; + +- process->queues = kmalloc_array(INITIAL_QUEUE_ARRAY_SIZE, +- sizeof(process->queues[0]), GFP_KERNEL); +- if (!process->queues) +- goto err_alloc_queues; +- + process->pasid = kfd_pasid_alloc(); + if (process->pasid == 0) + goto err_alloc_pasid; +@@ -593,8 +579,6 @@ static struct kfd_process *create_process(const struct task_struct *thread) + + process->lead_thread = thread->group_leader; + +- process->queue_array_size = INITIAL_QUEUE_ARRAY_SIZE; +- + INIT_LIST_HEAD(&process->per_device_data); + + kfd_event_init_process(process); +@@ -620,8 +604,6 @@ static struct kfd_process *create_process(const struct task_struct *thread) + err_mmu_notifier: + kfd_pasid_free(process->pasid); + err_alloc_pasid: +- kfree(process->queues); +-err_alloc_queues: + kfree(process); + err_alloc_process: + return ERR_PTR(err); +-- +2.7.4 + |